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新兴研究者系列：对水中新烟碱类药物浓度与表面增强拉曼散射强度之间关系的定量见解。

Emerging investigator series: quantitative insights into the relationship between the concentrations and SERS intensities of neonicotinoids in water.

作者信息

Liu Shengdong, Lazarcik James, Wei Haoran

机构信息

Environmental Chemistry and Technology Program, University of Wisconsin-Madison, Madison, WI 53706, United States.

Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI 53706, United States.

出版信息

Environ Sci Nano. 2024 Jun 26;11:3294-3300. doi: 10.1039/d4en00221k.

DOI:10.1039/d4en00221k
PMID:40201314
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11977776/
Abstract

This study explores the theoretical foundation behind the application of surface-enhanced Raman spectroscopy (SERS) for neonicotinoid quantification. Our findings demonstrate that SERS intensities are determined by the thermodynamic adsorption behaviors of neonicotinoid molecules transitioning from aqueous phases to gold nanoparticle (AuNP) surfaces. The dynamic ranges and limits of detection can be accurately predicted by classic adsorption isotherms.

摘要

本研究探讨了表面增强拉曼光谱（SERS）用于新烟碱类定量分析的理论基础。我们的研究结果表明，SERS强度取决于新烟碱类分子从水相转移到金纳米颗粒（AuNP）表面的热力学吸附行为。经典吸附等温线可以准确预测动态范围和检测限。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/8490dadf7a0c/nihms-2041157-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/5a7e6a51b2c9/nihms-2041157-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/7c53317bc747/nihms-2041157-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/8490dadf7a0c/nihms-2041157-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/5a7e6a51b2c9/nihms-2041157-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/7c53317bc747/nihms-2041157-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4377/11977776/8490dadf7a0c/nihms-2041157-f0003.jpg

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本文引用的文献

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J Phys Chem A. 2020 Sep 10;124(36):7238-7247. doi: 10.1021/acs.jpca.0c02832. Epub 2020 Aug 28.
2
Paper-Based SERS Sensing Platform Based on 3D Silver Dendrites and Molecularly Imprinted Identifier Sandwich Hybrid for Neonicotinoid Quantification.基于 3D 银枝状结构和分子印迹识别子三明治杂交的纸质表面增强拉曼散射传感平台用于新烟碱类定量分析。
ACS Appl Mater Interfaces. 2020 Feb 19;12(7):8845-8854. doi: 10.1021/acsami.9b20341. Epub 2020 Feb 7.
3
Fabrication of silver-coated gold nanoparticles to simultaneously detect multi-class insecticide residues in peach with SERS technique.采用 SERS 技术制备银包金纳米粒子，同时检测桃中多类杀虫剂残留。
Talanta. 2019 May 1;196:537-545. doi: 10.1016/j.talanta.2018.12.030. Epub 2018 Dec 12.
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Broadband single molecule SERS detection designed by warped optical spaces.扭曲光学空间设计的宽带单分子 SERS 检测。
Nat Commun. 2018 Dec 21;9(1):5428. doi: 10.1038/s41467-018-07869-5.
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